<?xml version="1.0"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
    <title>External Video Source</title>
</head>
<body>
<h1>External Video</h1>

<div id="video_frame">
    <video id="video" controls="controls" poster="sample.jpg" width="720">
        <source src="http://wwww.thisdomaindoesntexist.org/books/media/sample.mp4" type="video/mp4"/>
        Video is not supported.
    </video>
</div>
</body>
</html>
